522520429 has 2 divisors, whose sum is σ = 522520430. Its totient is φ = 522520428.

The previous prime is 522520423. The next prime is 522520451. The reversal of 522520429 is 924025225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262504804 + 260015625 = 16202^2 + 16125^2 .

It is a cyclic number.

It is not a de Polignac number, because 522520429 - 2⁷ = 522520301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522520429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522520423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261260214 + 261260215.

It is an arithmetic number, because the mean of its divisors is an integer number (261260215).

Almost surely, 2^522520429 is an apocalyptic number.

It is an amenable number.

522520429 is a deficient number, since it is larger than the sum of its proper divisors (1).

522520429 is an equidigital number, since it uses as much as digits as its factorization.

522520429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 522520429 is about 22858.7057595132. The cubic root of 522520429 is about 805.4422830934.

The spelling of 522520429 in words is "five hundred twenty-two million, five hundred twenty thousand, four hundred twenty-nine".